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1

Friday, October 1st 2004, 3:17pm

Gun Caliber Conversion Chart

I refer to this often; thought y'all might be able to use it.

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Source code

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Gun Calibers
  510mm = 20.1"
  460mm = 18.1"
  457mm = 18.0"
  445mm = 17.5"
  420mm = 16.5"
  412mm = 16.25"
  410mm = 16.1"
  406mm = 16.0"
  381mm = 15.0"
  380mm = 14.96"
  356mm = 14.0"
  350mm = 13.78"
  343mm = 13.5"
  340mm = 13.4"
  330mm = 13.0"
  320mm = 12.6"
  310mm = 12.2"
  305mm = 12.0"
  300mm = 11.8"
  283mm = 11.1"
  280mm = 11.02"
  270mm = 10.6"
  265mm = 10.43"
  254mm = 10.0"
  250mm = 9.8"
  240mm = 9.4"
  234mm = 9.2"
  229mm = 9.0"
  220mm = 8.66"
  210mm = 8.27"
  203mm = 8.0" (7.99")
  200mm = 7.9"
  190mm = 7.5"
  180mm = 7.1"
  178mm = 7.0"
  175mm = 6.9"
  170mm = 6.7"
  160mm = 6.5"
  155mm = 6.1"
  152mm = 6.0"
  150mm = 5.9"
  140mm = 5.51"
  137mm = 5.4"
  135mm = 5.3"
  134mm = 5.25"
  132mm = 5.2"
  130mm = 5.1"
  127mm = 5.0"
  120mm = 4.7" - 50-pdr, 60-pdr
  114mm = 4.5"
  110mm = 4.3"
  105mm = 4.1"
  102mm = 4.0" - 25-pdr
  100mm = 3.9"
   94mm = 3.7" = 32-pdr
   90mm = 3.5"
   88mm = 3.46" - 15-pdr, 22-pdr
   85mm = 3.3"
   80mm = 3.1"
 76.2mm = 3.0" - 12-, 13-, 14-, 16-, 17-pdr
   75mm = 2.9"
   66mm = 2.6" - 9-, 11-pdr
   65mm = 2.56" - 9-pdr
   60mm = 2.4"
   57mm = 2.24" - 6-pdr
   55mm = 2.17"
   51mm = 2.0"
   50mm = 1.97"
   47mm = 1.85" - 3-pdr
   45mm = 1.77"
   40mm = 1.57" - 2-pdr
   37mm = 1.46" - 1-pdr to 1.5-pdr
   35mm = 1.38"
   30mm = 1.18"
   28mm = 1.1" - 1-pdr (U.S.)
   27mm = 1.06"
   25mm = 0.98"
   23mm = 0.91"
   20mm = 0.79"
   18mm = 0.70"
   15mm = 0.59"
   14mm = 0.55"
 13.7mm = 0.54"
 13.2mm = 0.52"
 12.7mm = 0.50"
    8mm = 0.31"
  7.7mm = 0.303"
 7.62mm = 0.30"
  6.5mm = 0.26"
[/SIZE]

2

Friday, October 1st 2004, 6:30pm

Nice list. I find it funny that a 7.7mm is listed as 0.303" while the 7.62mm is listed as 0.30".

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Friday, October 1st 2004, 7:44pm

I have a similar list as this on paper, allthough this list has quite a few extra caliber's. Thanks Swampy!, usefull post indeed.